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Consolidate more jedec standard code

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Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
This commit is contained in:
Ollie Lho
2004-03-20 16:46:10 +00:00
parent 73eca80d9b
commit 761bf1bdb7
27 changed files with 762 additions and 695 deletions
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67
am29f040b.c
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@ -28,13 +28,14 @@
#include "flash.h"
#include "jedec.h"
static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long address)
static __inline__ int erase_sector_29f040b(volatile char *bios,
unsigned long address)
{
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x80;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x80;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + address) = 0x30;
sleep(2);
@ -42,17 +43,20 @@ static __inline__ int erase_sector_29f040b (volatile char * bios, unsigned long
/* wait for Toggle bit ready */
toggle_ready_jedec(bios + address);
return(0);
return (0);
}
static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char * src,
volatile unsigned char * dst, unsigned int page_size)
static __inline__ int write_sector_29f040b(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{
int i;
for (i = 0; i < page_size; i++) {
printf("0x%08lx", (unsigned long) dst - (unsigned long) bios);
printf("0x%08lx",
(unsigned long) dst - (unsigned long) bios);
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0xA0;
@ -64,25 +68,25 @@ static __inline__ int write_sector_29f040b(volatile char * bios, unsigned char *
printf("\b\b\b\b\b\b\b\b\b\b");
}
return(0);
return (0);
}
int probe_29f040b (struct flashchip * flash)
int probe_29f040b(struct flashchip *flash)
{
volatile unsigned char * bios = flash->virt_addr;
volatile unsigned char *bios = flash->virt_addr;
unsigned char id1, id2;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
*(bios + 0x555) = 0x90;
id1 = * bios;
id2 = * (bios + 0x01);
id1 = *bios;
id2 = *(bios + 0x01);
*bios = 0xF0;
myusec_delay(10);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id)
return 1;
@ -90,9 +94,9 @@ int probe_29f040b (struct flashchip * flash)
return 0;
}
int erase_29f040b (struct flashchip * flash)
int erase_29f040b(struct flashchip *flash)
{
volatile unsigned char * bios = flash->virt_addr;
volatile unsigned char *bios = flash->virt_addr;
*(bios + 0x555) = 0xAA;
*(bios + 0x2AA) = 0x55;
@ -104,27 +108,28 @@ int erase_29f040b (struct flashchip * flash)
myusec_delay(10);
toggle_ready_jedec(bios);
return(0);
return (0);
}
int write_29f040b (struct flashchip * flash, unsigned char * buf)
int write_29f040b(struct flashchip *flash, unsigned char *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
volatile char *bios = flash->virt_addr;
printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) {
printf("Programming Page: ");
for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
erase_sector_29f040b(bios, i * page_size);
/* write to the sector */
printf ("%04d at address: ", i);
write_sector_29f040b(bios, buf + i * page_size, bios + i * page_size,
page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
printf("%04d at address: ", i);
write_sector_29f040b(bios, buf + i * page_size,
bios + i * page_size, page_size);
printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
}
printf("\n");
return(0);
return (0);
}